How Union County Compares

Union County

17,081

South Dakota Average

17,081

Rank #13 of 66 in state

National

330M

100.0% below

National Distribution

Where Union County falls among all 3,222 U.S. counties for total population.

33 9,808,667

■ Union County: 17,081

Ranking Context

Rank	County	Value
#2,029	Guayanilla Municipio, PR	17,141
#2,030	Ben Hill County, GA	17,089
#2,031	Mariposa County, CA	17,082
#2,032	Union County, SD	17,081
#2,033	Dixie County, FL	17,058
#2,034	Drew County, AR	17,046
#2,035	Clayton County, IA	17,013

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Total Population in Union County, South Dakota

Union County, South Dakota has a total population of 17,081, which ranks #2,032 of 3,222 out of 3,222 counties nationwide. This is 100.0% below the national value of 330M.

Within South Dakota, Union County ranks #13 of 66 out of 66 counties. This places it in the 37th percentile nationally.

Total population count from the American Community Survey. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.